Support for spinning-spindles



2 Sheets-Sheet 1.

(No Model.)

. R. WHITE. SUPPORT FOR SPINNING SPINDLES, m.

Patented Dec.- 3, 1889,

WITNEEEEE (No Model. 2 Sheets-Sheet 2.

R. WHITE. SUPPORT FOR $PINNING SPINDLES, 6w.

Patented Dec. 3. 1889.

' UNITED STATES PATENT OFFICE.

ROLLIN IVHITE, OF LOWELL, MASSACHUSETTS.

SUPPORT FOR SPINNING-SPINDLES, 80C.

SPECIFICATION forming part of Letters Patent No. 416,530, dated December 3, 1889.

Application filed July '7, 1888.

To all whom it may concern.-

Be it known that I, ROLLIN WHITE, a citizen of the United States, residing at Lowell, in the county of Middlesex and Commonwealth of Massachusetts, have invented a certain new and useful Improvement in Supports for Spinning-Spindles, &c., of which the following is a description.

My invention relates to an improvement in supports for spindles for spinning and twisting; and it consists of such a construction that the spindle is allowed to move laterally and longitudinally, so that it will automatically adjust itself to the changing center of gravity of the cop and be restored to its set or desired position by the force of a coiled or helical spring when relieved of its eccentric load.

It is well known that as the cop is made up the center of gravity is constantly changing, and unless the axis about which the spindle revolves is in the line with this center of gravity the spindle will vibrate as it revolves, thus injuring the quality of work done. I remedy this defect by supporting one or all of the bearings of the spindle upon springs secured within the bolster or case, so that the spindle is at all times at liberty to move in any direction to accommodate itself to the load, either through or with the spindle-bearln s.

In the accompanying drawings, Figure 1 is a sectional elevation of a spindle, its bolster,

step, and the case containing said bolster and step, the same being designed for a single rail} showing the step supported by springs; Fig. 2, a sectional elevation of the spindle, bolster, and step, the bolster-casing and stepcasing being formed in separate parts and designed to be supported in separate rails, showing the springs supporting the step and bolster; Fig. 3, a modification of the step shown in Fig. 2, showingthe lower end of the spindle in side elevation and the step-case, step, and step-supporting spring in central vertical section; Fig. 4,2 plan of the coiled spring which surrounds the lower part of the step in Fig. 1; Fig. 5, a plan of thebolster-case,

the bolster-supporting spring, and adjustingscrews; and Fig. 6, a sectional elevation of a spindle, bolster, step, bolster-casing, stepcasing, and springs supporting the bolster serial no. 279,293. (No model.)

and step, showing the construction of bolster and bolster-supports represented in Fig. 2 and the construction of step and step-supports represented in Fig. 1 in a single-rail spindle.

In Fig. 1, A is a spindle of ordinary construction having a whirl A and a sleeve A". The cases B B, respectively, contain the bolster B and step 0, the lower end of the bolster-case B having an externalscrewthread, which engages an internal screwthread in the upper end of the step-case B and enables the bolster-case B to be removed for the purpose of removing or replacing the parts contained in the step-case B. The upper bearing of the spindle is within the hollow cylindrical bolster B", which is secured within the bolster-case B and has a flexible packing b, of elastic cloth or other suitable material, interposed between its outer surface and the inner walls of the bolstercase B, thus allowing the bolster and spindle to move laterally and allowing the spindle to slide longitudinally in the bolster to enable the spindle to adjust itself to the varying center of gravity of the cop or bobbin. In the same figure the lower endof the foot of the spindle turns in a step 0, supported in the lower part of the step-case B by means of a helical or volute spring 0, the outer coils of which rest 'upon a shoulder 0 within the case and the inner coils of which embrace the lower end of the step below a shoulder 0. By volute spring I mean a spring of which the coils are of constantlyincreasing diameter and of such relative diameters that each coil may be forced into'or vibrate vertically and laterally within the next larger coil. Vhen thus supported, it will be seen that the spindle is free to move laterally and longitudinally and the spindlebolster and step will be kept concentric with the interior of the case'when at rest; but when in motion, as the center of gravity changes as the cop is made up, the spindle may move in any direction, so as to bring the axis about which it revolves in line with nor the step has any contact, with its case, except that the upper end of the step is loosely fitted in the casing to keep the stepbearing concentric with the spindle, and

the center of gravity, and neither the bolster both bolster and step move freely vertically with little or no friction on their cases.

For the purpose of adjusting the spindle to a'heavy or light load, and also to prevent injury of the spring C, I prefer to insertin the lower end of the case a screw D, which passes through the hollow plug (1. The hollow plug (Z is provided with an external screw-thread which takes into the threaded interior of the lower end of the ease, and when this plug is removed it gives free access for the purpose of removing the accumulation of oil and dust without disturbing the position of the step and bolster. As the hollow plug (Z is moved to or from the spindle, itlimits the longitudinal motion and prevents the spindle being driven downward too far when replacing or removing the bobbins. The screw D is provided with a reduced and tapering end (1, and between the shoulder on the screw and the step is a spiral spring 0 which acts, in conjunction with the helical or volute spring C, as a cushion, so that the spindle will not strike the upper end of the plug (Z with a sudden jar. This screw D may be turn ed with or act independently of the plug (Z, and will be found convenient in limiting the Vertical motion of the spindle, said screw being moved toward or from the spindle just as the plug (1 is, and moving said screw toward the spindle by compressing the spring 0 causes the step, and therefore the spindle, to move laterally with less freedom.

That the screw D may be secured in position a check-nut d is provided, and between this check-nut and the lower surface of the casing a flexible washer (1" is placed, which prevents any oil from escaping. Any oil which escapes over the upper end of the bolster will find its way down into the cup Z) and be carried to the lower or step bearing through the oil-hole b in the side of the step-casing. Any surplus oil may be carried upward by the spiral (I on the spindle and to the upper bearing.

The device shown in Fig. 2 is similar in its operation, but differs slightly in details of its construction. In this the spindle E is a socalled double-rail spindle, having the whirl E between the rails. F is the bolster-case, and G the step-case. \Vithin the bolster-case F and projecting somewhat above it is arranged the bolster F, which has an external diameter within said case somewhat less than the internal diameter of said bolster-case, so that the bolster is free to move laterally and vertically in said case, the bolster F, like the bolster B, having a bore of uniform diame ter throughout its length. A helical volute spring f, arranged and supported within the enlarged upper end or cup f of the bolstercase, surrounds said bolster, a shoulder f on said bolster resting upon the top of the inner coils of said spring, the bolster being thus held concentric with the bolster-case when the spindle is at rest. Three or more screws f maybe inserted in the upper part f of the bolster-case, turning in screw-threaded holes radially to the axis of the spindle and thrusting against the outer coils of the spring to increase or diminish the force of the spring and return the spindle to its normal position. (See Fig. 5.) The lower end of the spindle is received in the step-case G, within which is contained a lower bolster-bushing g about the lower end of the spindle, and below the bushing is a step G, upon which the spindle rests. The step G is kept in contact with the spindle by means of a spiral spring g, which is interposed between the lower end of the step and the bottom of the step-case, with, preferably, a follower g interposed between said step and spring. The lower bolster-bushing g may be rigidly secured in the desired position in the support by means of one or more screws g turning in the step-case and thrusting against said bushing, or a flexible packing may be interposed between the periphery of the bushing and the inner wall of the step-case, similar to the arrangement of the bolster in Fig. 1.

The arrangement of the step shown in Fig. 3 is identical with that above described, except that the follower g is here replaced by an inverted cup h.

It will be evident that radial screws similar in their action to the radial screws 1 may be inserted in the lower part of the step-case (shown in Fig. 1) and thrust against the heli- -cal or volute spring C, and thus regulate the motion of the lower end of the spindle.

By means of the adjusting screws and springs above described the axis of the spindle may be made to coincide with the axis of the spinning-ring when the latter is slightly out of position on the ring-rail.

The spindle shown in Fig. 0 is a spindle adapted to be supported by a single rail, and its step is supported by the means shown in Fig. 1, and above described; but its bolster is supported by the means shown in Fig. 2, and above described, the corresponding parts being designated by the same letters as in the other figures.

The spring C, which supports the step partly in Figs. 1 and 6, is substantially like the spring f, which supports the bolster in Figs. 2 and 6, and said step-supportin g spring 0 is before being placed in the step-casing of a conical form, but is flattened by the weight of the spindle and step into the form represent-edin Figs. 1 and 6, and by the weight of a full bobbin or cop on the spindle the center of said last-named spring may be still further depressed to such an extent as to give to said spring the shape of an inverted cone.

I claim as my invention* 1. The combination of the spindle, the bolster-case, the bolster, and the helical or volute spring surrounding and supporting said bolster, said spring being supported by said case, substantially as set forth.

2. The combination of the spindle, the bol ster-case, the bolster, and the helical or volute spring surrounding and wholly supporting said bolster, said spring being supported by said case.

3. The combination of the spindle, the case, the step, and the helical or volute spring supporting said step, said spring being supported by said case, substantially as set forth.

- 4. The combination of thespindle, the b01- ster-case, a spindle having a cylindrical bearing, the step-ease, the step, a helical or volute spring surrounding and supporting said step,

said spring being supportedby said step-case, whereby said step and spindle are permitted to move laterally and longitudinally, substantially as set forth and described.

5. The combination of the spindle, the step-case, a step arranged therein and free to move laterally and longitudinally therein and having in its lower end a recess, a spiral spring, the upper end of which is arranged within said recess, and a vertical screw having a tapering upper end surrounded by said spring and the upper end of said screw entering said recess and said spring, substantially as shown and described. 6. The combination of the spindle, the case, the step arranged therein, a spring surrounding and supporting said step and supported by said case,'a vertical screw turning in said case below said step and having a reduced upper end and a shoulder, and a spring arranged around said reduced upper end between said step and the shoulder on said screw, substantially as described.

7. The combination of the spindle, the case,

a bolster having a smaller external diameter surrounding said spindle-bearing and supported by said case, and radial screws turn- 4 ing in said case and thrusting against the sides of the coils of said spring to adjust and to vary the elasticity of said spring, substantially as set forth.

10. The combination of the spindle, the case, a bolster having a portion externally smaller than the interior of said case, a helical or volute spring surrounding said bolster and supported by said case, and radial screws turning in said case and thrusting against said spring to increase or diminish the di- 65 ameter of said spring for the purpose of adjusting and varying the force of said spring, substantially as set forth.

' 'ROLLIN WHITE.

Witnesses KRIKLEY HYDE, HERBERT R. WHITE.

interior of said case, a coiled or volute spring 

